Florida's Coastal Military Base Boasts A Free Museum That's Open To The Public James Kirkikis/Shutterstock At the world's largest naval aviation museum, your money is no good, since admission and tours are free and paid attractions like flight simulators are cashless. The National Naval Aviation Museum in Pensacola takes visitors to Florida's Emerald Coast on a trip through military history, exhibiting over 150 aircraft from the U.S. Navy, Marines, and Coast Guard.